Doepfer A-135-2

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Doepfer A-135-2

Doepfer

A-135-2

4.7 Expert Rating

Product Info

Article Number: 454853
Brand: Doepfer
Model: A-135-2
Category: VCA Modules
Price: $140.80

* Prices may vary. Check retailer for current pricing and availability.

The A-135-2 is a workhorse VCA module – simple, reliable, and compact. It's a fantastic starting point for modular newbies needing clean gain and mixing, or a valuable addition for experienced users wanting a no-frills, efficient routing solution. The build quality is excellent, as you'd expect from Doepfer.

Product Description

  • Doepfer A-135-2
  • Eurorack Module
  • Quad VCA / Voltage Controller Mixer
  • Compact version of the A-135-1
  • 4 Separate linear VCAs
  • each with CV input
  • signal input and signal output
  • Sum signal of all VCAs additionally available
  • Per channel level and CV control
  • Stereo and quadrature operation selectable by jumper
  • Width: 8 HP
  • Depth: 40 mm
PROS
  • • Solid Doepfer build quality; feels robust and reliable
  • • Compact 8HP footprint maximizes precious rack space
  • • Flexible stereo/quadrature operation expands creative possibilities
  • • Sum output provides convenient signal aggregation and routing
CONS
  • • Linear VCAs can feel a bit clinical for some sound design
  • • Limited modulation destinations compared to more complex VCAs
  • • No attenuators on CV inputs; requires external attenuation

Product Video

Key Features

Channels 4
Response Linear
HP Width 8
Depth 40 mm
Power Draw +/-14mA
CV Inputs 4

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Frequently Asked Questions

Stereo mode simply sums the outputs, while quadrature introduces a 90-degree phase shift, useful for creating stereo movement or phasing effects.
Yes, the sum output reflects the combined levels of all four VCAs, adjustable via their individual level controls.
The A-135-2 offers a very clean, neutral sound characteristic – it's not colored or 'warm' like some vintage VCAs, prioritizing accuracy and transparency.

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